How Much Does It Cost to Replace a Window?

The average cost to replace windows will depend on the number of windows that are being replaced, the type of windows that you are replacing, and your location in the UK.

Those based in the London area can expect to pay more for the work than those based in the North or other parts of the UK.

Window Replacement Prices

You can usually expect to pay around £200-£3000 to replace your windows.

Below is a table showing window replacement prices for various different window replacement jobs:

Window Type and Size Average Cost
uPVC window replacement 600mm x 900mm £200 - £400
uPVC window replacement 900mm x 1200mm £500 - £650
uPVC window replacement 1200mm x 1200mm £650 - £900
Timber window replacement 600mm x 900mm £800 - £1000
Timber window replacement 900mm x 1200mm £1250 - £1400
Timber window replacement 1200mm x 1200mm £1350 - £1550
Aluminium window replacement 600mm x 900mm £550 - £750
Aluminium window replacement 900mm x 1200mm £650 - £850
Aluminium window replacement 1200mm x 1200mm £750 - £1100
Composite window replacement 600mm x 900mm £800 - £1600
Composite window replacement 900mm x 1200mm £2000 - £2500
Composite window replacement 1200mm x 1200mm £2500 - £3000


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What are the Supply Costs of Window Replacement?

If you are planning on buying your windows separately before hiring someone to install them for you, then you may be interested in the supply costs for windows.

Below is a table showing the various costs that you can expect for windows:

Types of Supply Average Price Per Window
uPVC windows £250-£400
Aluminium windows £400-£800
Wooden windows £400-£1200


What are the Additional Costs of Replacing Windows?

There are several additional costs that you may need to think about when it comes to replacing windows.

Below is a list of the additional things that you may need to budget for with this type of work:

Double Glazing

If you want to change all of the windows in your home and replace them with double glazing windows, this can be quite a large job. You will need to hire a professional to do this work for you.

close up double glazing

The average cost of replacing all of the windows in your home with double glazing is around £3000-£800 per window.

New Front Door

When you are replacing the windows in your home, then you may also be interested in replacing the front door of your home. This can improve the aesthetic appeal of your home and can also improve the security of the home.

The average cost of a new front door installation is around £300-£1000. The overall cost will depend on the materials used, and your location in the UK.

Home Security

When installing new windows in your home, you may also want to consider adding some additional security measures to your home.

window lock

You can install a home security system for around £165-£470. The overall cost of the work will depend on the size of the system, the type of system, and your location in the UK.

Painting House Exterior

If you want to improve the exterior look of your home, then you may wish to consider painting the outside of your home.

The cost for painting the exterior of your home will vary depending on the job, the size of your home, the type of paint, and your location in the UK.

For example, render painting is usually priced at around £600-£1200, whereas the cost of painting the outside of your house is usually around £500-£1500.

Tradesperson Costs for Window Replacement

If you are buying your windows in advance, then you may be interested in learning how much the contractors may charge to fit the new windows.

Most of the time, window fitters will work in pairs. They will usually charge around £250-£350 per day to replace the windows in your home.

If you are replacing just one window, then you may only require one contractor and they may charge an hourly rate, rather than a daily rate. If this is the case, then you can expect to pay around £25-£35 per hour.

How Long Does It Take to Replace a Window?

When it comes to having new windows installed, you may also be curious about the timescales that you can expect for installing replacement windows.

On average, it will take a skilled pair of window installers around a day to install six windows at your home. If you are only having one single window replaced, then this may be done by just one installer, and will likely take around two hours to complete.

If you are looking to replace all of the windows on your property, then this may take around 2-3 days to complete. This will depend on how many windows you have, and how many people are working on the job.

Types of Windows

There are several different types of windows that you can choose from for your home. Below is a list of the different types of windows that are popular in UK homes:

uPVC Windows Cost

uPVC windows are the most common, and most popular types of windows on UK homes. These windows usually come in double or triple glazing varieties, which is great for keeping out draughts and reducing your energy bills.

uPVC window

White uPVC is the most common variety of this type of window, however, you can get them in a range of colours to suit your home. This type of window usually costs around £250-£400 per window.

Aluminium Windows Cost

Aluminium frames are a more luxurious style of window frames. These are more expensive, however, they are much more durable. These windows are less prone to warping and corrosion, and are becoming increasingly popular in UK homes. They also don’t require much maintenance, which is a huge benefit.

Aluminum window

These windows usually cost around £400-£800.

Wooden Windows Cost

Wooden windows are also quite an expensive option, however, they come in a range of varieties and styles. If maintained properly, these windows can have a longer lifespan than uPVC windows. They also have the benefit of being easily repaired, if they become damaged.

wooden frame window

Wooden windows usually cost around £400-£1200.

Roof Windows Cost

A roof window is one that is installed in the roof to provide light to the home. These are popular in homes with a loft conversion, as this is the best way to allow light to enter the room.

roof window

A roof window will usually cost around £500-£1000, depending on the materials and the size of the window.

Benefits of Replacing Windows

There are several benefits of replacing the windows in your home. Below is a list of the main advantages of this type of work:

Increased Home Value

If you choose to replace all of the windows in your home, this can really pay off in the long run. New windows don’t just look great, but they perform better as well.

grey framed sliding window

Prospective buyers are much more likely to buy your home if the windows are new. Therefore, you can expect a good increase in your home value with this type of work.

Enhanced Home Security

Windows that are faulty, or painted shut are not only annoying, but they can also be a safety hazard. For example, if you need to escape your home due to a fire, a faulty window may prevent you from being able to escape out of the nearest exit.

New windows usually have enhanced security options with better locks, which can provide you with additional peace of mind.

Improved Energy Efficiency

New windows tend to be very well sealed, and may even come in high energy-efficiency options. This can help you to keep your home warmer in the winter months which means you won’t need to worry as much about heating your home. This can also result in lower energy bills.

Noise Reduction

According to various studies, noise pollution can be damaging to our health. New windows can help to combat noise pollution, and this can provide you with a more restful environment.

close up window latch

New windows can help you to reduce noise from the outside, such as lawnmowers, traffic, and barking dogs.

Enhanced Appearance

New windows can dramatically improve the appearance of your home, from both the inside and the outside. Windows can come in a range of styles, colours and designs so you can choose something that suits the aesthetic your home.

This improvement in appearance is also one of the reasons why new windows will increase the value of your home.

How much Does It Cost to Remove a Window?

Before you can install a new window, you will need to remove your old window first. If you are looking to pay someone to remove a window for you, you will need to hire a professional window fitter to complete this work for you.

The price that you will pay a professional window fitter to remove a window for you will depend on how long the job takes. Some windows are more difficult to remove than others.

The average cost that you can expect to pay for this type of work is around £25-£35 per hour.

If you need to get rid of the waste yourself, then you may need to hire a skip which will cost around £100-£300.

FAQs

Q: How do you measure for a bay window replacement?

A: Below is a list of steps that you’ll need to take to measure a bay window:

  • Measure the widths of the two windows forming the bay.
  • Place the tape measure on the seam between the casing trim and the window frame.
  • Extend the tape measure to the centre of the adjoining window joint and record this measurement.
  • Hold the tip of the tape measure at the tops seam where the casing meets the frame.
  • Pull the tape measure to the bottom seam and record the measurement.
  • Repeat this measurement across the bay window to ensure you have the right height.
  • To measure the centre window, place the tape measure at the centre of the joint with the left window.
  • Extend the tape measure until you reach the centre of the joint on the right window and record this measurement.
  • Double check all of the measurements again to ensure they are correct.

Q: What is the most secure type of window?

a: uPVC windows are not only the most common type of window in the UK, but they are also the most secure. The material is strong, hard-wearing and long-lasting. uPVC windows also have the benefit of being quite affordable.

Q: What time of year is best for window replacements?

A: Any time of year is fine for a window replacement as long as the weather is suitable. However, summer is the best time for a window replacement, however, window fitters can be quite busy during these months. You may get cheaper quotes outside of the summer months, as the work tends to be more scarce during these months.

Q: What is a bow window?

A: A bow window is usually made up of four or five identical windows that are fitted at an angle of 10 degrees. This creates a beautiful curved appearance.

Q: What is a sash window?

A: Sash windows are associated with a more traditional look. These windows open vertically. They consist of two framed window sashes, one in front of the other and sash windows slide up and down to open.

Q: What is a casement window?

A: Casement windows have a hinge on the side, top, or bottom of the frame. This hinge allows the window to easily open outwards, providing a lot of ventilation in the home.

Q: What is a tilt and turn window?

A: Tilt and turn windows feature a mechanical hinge that opens on two axis. They usually have one handle that allows you to tilt the window to allow a breeze in. You can also turn the handle to open the window fully if you want complete ventilation.

Sources

  1. https://www.pella.com/ideas/windows/replacement/benefits-replacement-windows
  2. https://www.pjfitz.com/diy/window-installation/how-to-measure-a-bay-window
  3. https://www.hamiltonwindows.co.uk/most-secure-windows
  4. https://www.quickslide.co.uk/blog/guides/whats-difference-bay-bow-window
  5. https://www.gowercroft.co.uk/news/what-are-sash-windows
  6. https://www.everest.co.uk/double-glazing-windows/casement/what-are-casement-windows
  7. https://www.anglianhome.co.uk/double-glazing-windows/tilt-and-turn
Author: Kim J

I have a bachelor's degree in Journalism, which I studied in both the UK and USA. I've been a freelance writer for over eight years and have experience working with many large brands. My experience in writing is over a wide range of different niches, and I've specifically worked in the DIY and trades section for nearly two years. My favourite thing about freelance writing is working wherever I want as I love travelling and discovering new places and cultures.